| Thornton to Point Pleasant (New Jersey) | 3,377.99 mi (5,436.35 km) |
| Thornton to Pomona (California) | 5,267.09 mi (8,476.56 km) |
| Thornton to Pompano Beach (Florida) | 4,306.51 mi (6,930.66 km) |
| Thornton to Pompton Lakes (New Jersey) | 3,344.19 mi (5,381.96 km) |
| Thornton to Pompton Plains (New Jersey) | 3,346.61 mi (5,385.85 km) |
| Thornton to Ponca City (Oklahoma) | 4,417.42 mi (7,109.14 km) |
| Thornton to Ponce (Puerto Rico) | 4,195.87 mi (6,752.60 km) |
| Thornton to Pontiac (Illinois) | 3,897.91 mi (6,273.08 km) |
| Thornton to Pontiac (Michigan) | 3,614.49 mi (5,816.96 km) |
| Thornton to Pooler (Georgia) | 4,049.80 mi (6,517.52 km) |
| Thornton to Poplar Bluff (Missouri) | 4,169.43 mi (6,710.05 km) |
| Thornton to Poquoson (Virginia) | 3,606.85 mi (5,804.67 km) |
| Thornton to Port Angeles (Washington) | 4,615.26 mi (7,427.55 km) |
| Thornton to Port Arthur (Texas) | 4,662.00 mi (7,502.76 km) |
| Thornton to Port Charlotte (Florida) | 4,347.40 mi (6,996.46 km) |
